<template>
  <transition name="slide">
   <music-list :title="title" :bg-image="bgImage" :songs="songs"></music-list>
  </transition>
</template>

<script type="text/ecmascript-6">
  import {mapGetters} from 'vuex'
  import {getSingerDetail} from 'api/singer'
  import {ERR_OK} from 'api/config'
  import {createSong} from  'common/js/song'
  import  MusicList from 'components/music-list/music-list'

  export default {
    data(){
      return{
        songs:[]
      }
    },
    computed:{
      title(){
        return this.singer.name
      },
      bgImage(){
        return this.singer.avatar
      },
      ...mapGetters([
        'singer'
      ])
    },
    created(){
       this._getDetail()

    },
    methods:{
      _getDetail(){
        if(!this.singer.id){
          this.$router.push('/singer')
          return
        }
         getSingerDetail(this.singer.id).then((res)=>{
           if(res.code===ERR_OK){
             this.songs=this._normalizeSongs(res.data.list)
           }
         })
      },
      _normalizeSongs(list){
        let ret=[]
        list.forEach((item)=>{
          let {musicData}=item
          if(musicData.songid&&musicData.albummid){
            ret.push(createSong(musicData))
          }
        })
        return ret
      }
    },
    components:{
      MusicList
    }
  }
</script>

<style scoped lang="stylus" rel="stylesheet/stylus">
  @import "~common/stylus/variable"

  .slide-enter-active, .slide-leave-active
    transition: all 0.3s
  .slide-enter, .slide-leave-to
    transform: translate3d(100%, 0, 0)
</style>
